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A technique used to measure the rate of physiological activity plotted against wavelength of light. An action spectrum depicts the most effective wav…

The application of probability and statistical methods to calculate the risk of occurrence of any event, such as onset of illness, recurrent disease,…

Works about clinical studies in which a prospectively planned opportunity is included to modify trial designs and hypotheses based on analysis of dat…

Models connecting initiating events at the cellular and molecular level to population-wide impacts. Computational models may be at levels relating to…

Barriers used to separate and remove PARTICULATE MATTER from air.

The naturally occurring or experimentally induced replacement of one or more AMINO ACIDS in a protein with another. If a functionally equivalent amin…

The detection of RESTRICTION FRAGMENT LENGTH POLYMORPHISMS by selective PCR amplification of restriction fragments derived from genomic DNA followed …

A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous de…

A technique or tool used to analyze choices for complex decisions, by organizing them, for analysis, into a tree structure.

MeSH category E from desc2026.xml (kind=xml) with cached UMLS enrichment.

The use of animals as investigational subjects.

Procedures, such as TISSUE CULTURE TECHNIQUES; mathematical models; etc., when used or advocated for use in place of the use of animals in research o…

Alternatives to the use of animals in research, testing, and education. The alternatives may include reduction in the number of animals used, replace…

A statistical means of summarizing information from a series of measurements on one individual. It is frequently used in clinical pharmacology where …

ARTHRITIS that is induced in experimental animals. Immunological methods and infectious agents can be used to develop experimental arthritis models. …

The in vitro fusion of GENES by RECOMBINANT DNA techniques to analyze protein behavior or GENE EXPRESSION REGULATION, or to merge protein functions f…

Intentionally using oneself as a research subject.

Methods for cultivation of cells, usually on a large-scale, in a closed system for the purpose of producing cells or cellular products to harvest.

A theorem in probability theory named for Thomas Bayes (1702-1761). In epidemiology, it is used to obtain the probability of disease in a group of pe…

A wide range of formal and informal techniques used to document behavior.

The probability distribution associated with two mutually exclusive outcomes; used to model cumulative incidence rates and prevalence rates. The Bern…

Techniques for determining the proximity of molecules based on ENERGY TRANSFER between bioluminescent chromophores and acceptor fluorophores that hav…

The use of technology-based interventions to improve functional capacities rather than to treat disease.

The use of statistical and mathematical methods to analyze biological observations and phenomena.

A material transfer technique used for assembling biological material or cells into a prescribed organization to create functional structures such as…

The systematic search and discovery of natural substances which may have potential commercial applications.

The application of STATISTICS to biological systems and organisms involving the retrieval or collection, analysis, reduction, and interpretation of q…

Incorporation of biotinyl groups into molecules.

Removal of mineral constituents or salts from bone or bone tissue. Demineralization is used as a method of studying bone strength and bone chemistry.

A molecular probe technique that utilizes branched DNA (bDNA) as a means to amplify the hybridization signal. One end of the bDNA molecule is designe…